// Copyright 2017 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef DAWNNATIVE_METAL_COMMANDBUFFERMTL_H_
#define DAWNNATIVE_METAL_COMMANDBUFFERMTL_H_

#include "dawn_native/CommandBuffer.h"
#include "dawn_native/Error.h"

#import <Metal/Metal.h>

namespace dawn::native {
    class CommandEncoder;
}

namespace dawn::native::metal {

    class CommandRecordingContext;
    class Device;
    class Texture;

    void RecordCopyBufferToTexture(CommandRecordingContext* commandContext,
                                   id<MTLBuffer> mtlBuffer,
                                   uint64_t bufferSize,
                                   uint64_t offset,
                                   uint32_t bytesPerRow,
                                   uint32_t rowsPerImage,
                                   Texture* texture,
                                   uint32_t mipLevel,
                                   const Origin3D& origin,
                                   Aspect aspect,
                                   const Extent3D& copySize);

    class CommandBuffer final : public CommandBufferBase {
      public:
        static Ref<CommandBuffer> Create(CommandEncoder* encoder,
                                         const CommandBufferDescriptor* descriptor);

        MaybeError FillCommands(CommandRecordingContext* commandContext);

      private:
        using CommandBufferBase::CommandBufferBase;

        MaybeError EncodeComputePass(CommandRecordingContext* commandContext);
        MaybeError EncodeRenderPass(CommandRecordingContext* commandContext,
                                    MTLRenderPassDescriptor* mtlRenderPass,
                                    uint32_t width,
                                    uint32_t height);

        MaybeError EncodeRenderPassInternal(CommandRecordingContext* commandContext,
                                            MTLRenderPassDescriptor* mtlRenderPass,
                                            uint32_t width,
                                            uint32_t height);
    };

}  // namespace dawn::native::metal

#endif  // DAWNNATIVE_METAL_COMMANDBUFFERMTL_H_
